What are the two selectable markers in PBR322?Name any four selectable markers.

Dear student,
The  two selectable marker are  Ampicillin and Tetracycline resistance respectively in pBR322.
The selectable markers are 
  • Beta-lactamase which confers ampicillin resistance to bacterial hosts.
  • Neo gene from Tn5
  • Ampicillin resistance
  • Tetracycline resistance

​​​​​​​Hope this information will clear your doubts about topic.

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